13935153961 has 2 divisors, whose sum is σ = 13935153962. Its totient is φ = 13935153960.

The previous prime is 13935153931. The next prime is 13935153977. The reversal of 13935153961 is 16935153931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13286942361 + 648211600 = 115269^2 + 25460^2 .

It is a cyclic number.

It is not a de Polignac number, because 13935153961 - 2⁷ = 13935153833 is a prime.

It is not a weakly prime, because it can be changed into another prime (13935153931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6967576980 + 6967576981.

It is an arithmetic number, because the mean of its divisors is an integer number (6967576981).

Almost surely, 2^13935153961 is an apocalyptic number.

It is an amenable number.

13935153961 is a deficient number, since it is larger than the sum of its proper divisors (1).

13935153961 is an equidigital number, since it uses as much as digits as its factorization.

13935153961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 328050, while the sum is 46.

The spelling of 13935153961 in words is "thirteen billion, nine hundred thirty-five million, one hundred fifty-three thousand, nine hundred sixty-one".